package com.atguigu.lease.web.admin.custom.interceptor;

import com.atguigu.lease.common.context.LoginUser;
import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
@Component
@Slf4j
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.clear();
    }

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
       String token = request.getHeader("access_token");

       if (token == null) {
           throw  new LeaseException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
       }else {
           Claims claims = JwtUtil.parseToken(token);
           Long userId =claims.get("userId",Long.class);
           String username = claims.get("username",String.class);
           LoginUserContext.setLoginUser(new LoginUser(userId,username));
       }
        return true;


    }
}
